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23

EN

TROUBLESHOOTING

Before Calling for Service

The appliance is equipped with an automatic error-monitoring system to detect and diagnose problems at 

an early stage. If the appliance does not function properly or does not function at all, check the following 

before you call for service.

Normal Sounds You May Hear

1

2

4

5

3

1

High Pitched Chatter

Today’s high efficiency compressors may have a high pitched chatter during the cooling cycle.

2

Sound of Rushing Air

At the front of the unit, you may hear the sound of rushing air being moved by the fan.

3

Gurgle/Hiss

Gurgling or hissing noise may be heard due to refrigerant passing through evaporator during 

normal operation.

4

Vibration

Unit may vibrate and make noise because of poor wall or window construction or incorrect 

installation.

5

Pinging or Swishing

Droplets of water hitting condenser during normal operation may cause pinging or swishing 

sounds.

Summary of Contents for LW1522ERSM

Page 1: ...G Electronics Inc All Rights Reserved MFL71860107 Rev 00_110321 AIR CONDITIONER Read this owner s manual thoroughly before operating the appliance and keep it handy for reference at all times OWNER S MANUAL TYPE WINDOW LW1522ERSM LW1822ERSM LW2522ERSM ...

Page 2: ...Unit 11 Window Requirements 11 Storm Window Requirements 11 Preparation of the Cabinet 12 Cabinet Installation 13 Unit Installation 14 OPERATION 16 Control Panel and Remote Control 16 Wireless Remote Control 17 Air Direction 18 Additional Features 18 SMART FUNCTIONS 19 LG ThinQ Application 19 Smart Diagnosis 20 MAINTENANCE 22 Air Filter 22 TROUBLESHOOTING 23 Before Calling for Service 23 Normal So...

Page 3: ...ay be injured or cause damage to the product if you do not follow instructions All safety messages will tell you what the potential hazard is tell you how to reduce the chance of injury and tell you what may happen if the instructions are not followed The following symbols are displayed on units This symbol indicates that this appliance uses a flammable refrigerant If the refrigerant is leaked and...

Page 4: ...ys plug into a grounded outlet Do not under any circumstances cut or remove the third ground prong from the power cord When installing or moving the appliance be careful not to pinch crush or damage the power cord Plug in the power plug properly Do not modify or extend the power cord Do not start stop operation by plugging unplugging the power cord If the cord plug is damaged have it replaced by a...

Page 5: ...or instruction concerning the use of the appliance by a person responsible for their safety The interior of the product must only be cleaned by an authorized service center or a dealer Do not use solvent based detergent on the product Doing so can cause corrosion or damage product failure electrical shock or fire GROUNDING INSTRUCTIONS The power cord of this appliance is equipped with a three pron...

Page 6: ...step on or place heavy objects on top of the appliance Do not operate the appliance without the filter securely installed Do not drink water drained from the appliance Be sure to ventilate sufficiently when the air conditioner and a heating appliance such as a heater are used simultaneously Do not expose people animals or plants to the cold or hot wind from the air conditioner for extended periods...

Page 7: ...age to unit Do not put any holes into product for any reason This can cause damage to product and prevent unit from cooling Maintenance and cleaning of unit should be performed by trained personnel Failure to properly clean unit can result in damage to the refrigeration system and or the electrical system Make certain that all the air circulation ventilation openings are free from obstruction Serv...

Page 8: ... 1 4 5 6 7 1 Control Panel 1 Evaporator 2 Remote Control 2 Air Guide 3 Air Filter 3 Brace 4 Vertical Air Deflector Horizontal Louver 4 Compressor 5 Horizontal Air Deflector Vertical Louver 5 Condenser 6 Front Grille 6 Base Pan 7 Air Outlet 7 Power Cord 8 Cabinet 9 Air Inlet ...

Page 9: ...V 3 wire grounding receptacle rated 20 A 240 VAC 60 Hz Use 20 A time delay fuse or 20 A circuit breaker WARNING This appliance should be installed in accordance with the National Electrical Code Use of extension cords could cause serious injury or death Do not use an extension cord with this window air conditioner Do not use surge protectors or multi outlet adapters with this window air conditione...

Page 10: ... Screws Type A Screws 12 12 Type B Screws Type B Screws 7 7 Type C Screws Type C Screws 5 5 Type D Screws Type D Screws 2 2 Carriage Bolts Carriage Bolts 2 2 Lock Nuts Lock Nuts 4 4 Tools Needed Phillips head screwdriver Phillips head screwdriver Flat blade screwdriver Flat blade screwdriver Adjustable wrench Adjustable wrench Level Level Tape measure Tape measure Scissors or Cutting knife Scissor...

Page 11: ...op and bottom window sashes must open sufficiently to allow a clear vertical opening of 19 from the bottom of the upper sash to the inside sill 29 to 41 29 to 41 19 min 19 min NOTE All supporting parts should be secured to firm wood masonry vinyl fiberglass or metal This product is a window air conditioner As such a standard single hung or double hung window is required for proper installation Non...

Page 12: ...ame Foam PE Foam PE Adhesive backed Adhesive backed 4 Insert the hooks on the lower panel guides into the slots on the bottom of the cabinet Make sure that the flanges on the lower panel guides will face toward the inside of the room Hook Hook Indoor Indoor 5 Insert the top and bottom rails of the curtain panels into the upper and lower panel guides Upper Panel Guide Upper Panel Guide Right Curtai...

Page 13: ... type B screws Cabinet Track Holes Cabinet Track Holes Center Hole Center Hole Sill Sill Bracket Bracket Screws Type B Screws Type B 3 Carefully place the cabinet back in the window and align the cabinet track holes with the support brackets Attach each support bracket to the cabinet through a cabinet track hole using a type D screw and a lock nut Use the first track hole past the sill bracket on ...

Page 14: ... coils Reinstall the screws removed from the cabinet sides in step 1 of preparation of cabinet CAUTION The unit is heavy Use an assistant to help lift the unit and set it in place Lifting and maneuvering the unit by yourself could result in injury Hold the unit firmly in place until the window frame is lowered to meet the top surface of the unit directly behind the upper guide If the unit falls fr...

Page 15: ...e curtain panel on each side and cut the adhesive backed heatproof foam to fit each panel The size of the panels may differ Remove the backing from the heatproof foam and attach the foam to the curtain panels H W1 W2 W1 W2 W H W H H Heatproof Foam Heatproof Foam Adhesive Backed Adhesive Backed NOTE Heatproof foam improves the cooling capability of the air conditioner See the Electrical Data sectio...

Page 16: ...ode the fan circulates air but the compressor does not run Use the Fan Speed button to set fan speed to High Medium or Low In this mode you cannot adjust the set temperature Dry This mode is ideal for rainy and damp days to dehumidify the room rather than cooling it significantly Humidity is removed from the room by the combination of compressor operation and the fan speed fixed at Low The compres...

Page 17: ...tored with the same settings as were set before the unit turned off Energy Saver The unit defaults to the Energy Saver mode each time the unit is switched on except in Fan mode or when power is restored after an electrical power outage The remote control will not function properly if the AC infrared sensor is exposed to direct light or if there are obstacles between the remote controller and the a...

Page 18: ...ch the horizontal louvers to adjust the airflow up or down NOTE When the weather is extremely hot the unit may turn off automatically to protect the compressor Additional Features Slinger Fan This air conditioner is equipped with a slinger fan See drawing The fan s outer ring picks up the condensed water from the base pan if the water level gets high enough The water is then picked up by the fan a...

Page 19: ...n check that f icon on the control panel is lit The appliance supports 2 4 GHz Wi Fi networks only To check your network frequency contact your Internet service provider or refer to your wireless router manual LG ThinQ is not responsible for any network connection problems or any faults malfunctions or errors caused by network connection If the appliance is having trouble connecting to the Wi Fi n...

Page 20: ...is offer is valid to anyone in receipt of this information for a period of three years after our last shipment of this product Smart Diagnosis This feature is only available on models with the c or d logo Use this feature to help you diagnose and solve problems with your appliance NOTE For reasons not attributable to LGE s negligence the service may not operate due to external factors such as but ...

Page 21: ...onnect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help This device complies with part 15 of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 This device must accept any interference received including interferenc...

Page 22: ...e excess water from the filter and replace Cleaning the Air Conditioner Remove dust from the air inlet and outlet using a vacuum cleaner Wipe the front grille and inlet grille with a cloth dampened in a mild detergent solution Wash the cabinet with mild soap or detergent and lukewarm water then polish using liquid appliance wax NOTE To ensure continued peak efficiency the condenser coils outside o...

Page 23: ...y s high efficiency compressors may have a high pitched chatter during the cooling cycle 2 Sound of Rushing Air At the front of the unit you may hear the sound of rushing air being moved by the fan 3 Gurgle Hiss Gurgling or hissing noise may be heard due to refrigerant passing through evaporator during normal operation 4 Vibration Unit may vibrate and make noise because of poor wall or window cons...

Page 24: ...ervice technician Air conditioner does not cool as it should Airflow is restricted Make sure there are no curtains blinds or furniture blocking the front of the air conditioner The temp control may not be set correctly Set the desired temperature to a level lower than the current temperature The air filter is dirty Clean the filter at least every 2 weeks See the MAINTENANCE section The room may ha...

Page 25: ...indow vibration poor installation Refer to installation instructions or check with installer Room too cold Set temperature too low Increase set temperature Remote sensing deactivating prematurely Remote control not located within range Place remote control within 20 feet 120 radius of the front of the unit Remote control signal obstructed Remove obstruction Can t connect the LG ThinQ App to the ai...

Page 26: ...ers and numbers Do not use special characters The router frequency is not 2 4 GHz Only a 2 4 GHz router frequency is supported Set the wireless router to 2 4 GHz and connect the appliance to the wireless router To check the router frequency check with your Internet service provider or the router manufacturer The appliance is too far from the router If the appliance is too far from the router the s...

Page 27: ...tructed and accessible to service personnel If during in home service repair cannot be completed it may be necessary to remove repair and return the product If in home service is unavailable LG may elect at our option to provide for transportation of our choice to and from a LG authorized service center THIS LIMITED WARRANTY DOES NOT COVER Service trips to deliver pick up or install the product or...

Page 28: ...HETHER BASED IN CONTRACT TORT OR OTHERWISE Some states do not allow the exclusion or limitation of incidental or consequential damages or limitations on how long an implied warranty lasts so the above exclusion or limitation may not apply to you This warranty gives you specific legal rights and you may also have other rights that vary from state to state HOW TO OBTAIN WARRANTY SERVICE ADDITIONAL I...

Page 29: ...tion on an individual basis unless you opt out as provided below Any dispute between you and LG shall not be combined or consolidated with a dispute involving any other person s or entity s product or claim More specifically without limitation of the foregoing any dispute between you and LG shall not under any circumstances proceed as part of a class or representative action Instead of arbitration...

Page 30: ... solely on the basis of 1 documents submitted to the arbitrator 2 through a telephonic hearing or 3 by an in person hearing as established by the AAA Rules If your claim exceeds 25 000 the right to a hearing will be determined by the AAA Rules Any in person arbitration hearings will be held at a location within the federal judicial district in which you reside unless we both agree to another locat...

Page 31: ...LG Electronics Inc 111 Sylvan Avenue Englewood Cliffs NJ 07632 LG Customer Information Center 1 800 243 0000 Register your product Online www lg com ...

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